Split logic out

step_3_create_boot_structure.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+. CONFIG.sh
+
+# set -o xtrace       ## To debug scripts
+# set -o errexit      ## To exit on error
+# set -o errunset     ## To exit if a variable is referenced but not set
+
+
+function main() {
+    echo "Moving ISO linux parts..."
+    move_iso_linux_parts;
+    echo "Creating manifest..."
+    create_manifest;
+    echo "Squashing chroot filesystem..."
+    compress_chroot;
+    echo "Creating diskdefines data..."
+    diskdefines;
+    echo "Creating recognition info..."
+    remix_recognition;
+    echo "Creating MD5 data..."
+    md5_cal;
+}
+
+function move_iso_linux_parts() {
+    clear
+    # We will need a kernel and an initrd that was built with the Casper scripts.
+    # Grab them from the chroot. Use the current version.
+    # Note that before 9.10, the initrd was in gz not lz format...
+    echo "If this fails then use what's in chroot/boot/...:"
+    echo "Copying ${CHROOT_PTH}/boot/vmlinuz-5.4.**-**-generic to image/casper/vmlinuz"
+    sudo cp "${CHROOT_PTH}"/boot/vmlinuz-5.4.**-**-generic image/casper/vmlinuz
+    echo "Copying ${CHROOT_PTH}/boot/initrd.img-5.4.**-**-generic to image/casper/initrd.lz"
+    sudo cp "${CHROOT_PTH}"/boot/initrd.img-5.4.**-**-generic image/casper/initrd.lz
+
+
+    # We need the isolinux and memtest binaries.
+    # (Note: some distros place file isolinux.bin under /usr/lib/syslinux .)
+    sudo cp /usr/lib/ISOLINUX/isolinux.bin image/isolinux/
+    sudo cp /usr/lib/syslinux/modules/bios/ldlinux.c32 image/isolinux/ # for syslinux 5.00 and newer
+    # sudo cp /boot/memtest86+.bin image/install/memtest
+    cp BOOT_STRUCTURE_PARTS/isolinux/isolinux.cfg image/isolinux/
+
+    # To give some boot-time instructions to the user
+    echo "\nMoving splash parts to image/isolinux"
+    cp BOOT_STRUCTURE_PARTS/splash_screen/isolinux.txt image/isolinux/
+    cp BOOT_STRUCTURE_PARTS/splash_screen/splash.rle image/isolinux/
+}
+
+function create_manifest() {
+    sudo chroot ${CHROOT_PTH} dpkg-query -W --showformat='${Package} ${Version}\n' | sudo tee image/casper/filesystem.manifest
+    sudo cp -v image/casper/filesystem.manifest image/casper/filesystem.manifest-desktop
+    REMOVE='ubiquity ubiquity-frontend-gtk ubiquity-frontend-kde casper lupin-casper live-initramfs user-setup discover1 xresprobe os-prober libdebian-installer4'
+    for i in $REMOVE
+    do
+            sudo sed -i "/${i}/d" image/casper/filesystem.manifest-desktop
+    done
+}
+
+function compress_chroot() {
+    sudo mksquashfs "${CHROOT_PTH}" image/casper/filesystem.squashfs
+    printf $(sudo du -sx --block-size=1 "${CHROOT_PTH}" | cut -f1) > image/casper/filesystem.size
+}
+
+
+function diskdefines() {
+cat <<EOF > image/README.diskdefines
+#define DISKNAME  ${OS_NAME}
+#define TYPE  binary
+#define TYPEbinary  1
+#define ARCH  ${ARCH}
+#define ARCH${ARCH}  1
+#define DISKNUM  1
+#define DISKNUM1  1
+#define TOTALNUM  0
+#define TOTALNUM0  1
+EOF
+
+}
+
+function remix_recognition() {
+    touch image/.disk/base_installable
+    echo "full_cd/single" > image/.disk/cd_type
+    echo "${OS_NAME} ${OS_VER}" > image/.disk/info
+    echo "http//your-release-notes-url.com" > image/.disk/release_notes_url
+}
+
+function md5_cal() {
+    sudo -s
+    (cd image/ && find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > md5sum.txt)
+    exit
+    cd ..
+}
+
+main $@;